mhd bef maps

  1. Zazanzabar

    High rpm misfire cyl6 - all new parts

    Normally I wouldn't be one to ask for help on my car as I like to figure things out myself but I am at my wits end on this one. I have an 07 335i mt that is sitting at 102k km and is full bolt ons, so inlets, outlets, 5.5 inch intercooler. I am running a jb4 + mhd bef on stage 2 and have a...
  2. Bmwfixerguy1

    MHD bef maps

    I feel as though I have never heard anyone talk about some of the hybrid bef maps The major one I want to know about is the no spool low timing map. I'm guessing that's a "testing your work map" or am I just looking at it as such after I get my turbos on? Seems like a good map to look for...